MedErrBench (English) - Error Detection: leaderboard

Metric: Detection accuracy (%): whether the note contains an error (binary); 208 English test notes adapted from MedQA cases (104 with an error, 104 without) with clinician-verified inserted errors; main-table prompting (the paper does not state its shot setting); printed as fractions and shown times 100; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 14 models tracked.

Top models

#ModelScoreOverall rank
1Doubao-1.5-Thinking-Pro77.9#133
2GPT-4o Mini66.4#588
3GPT-4o59.6#333
4Llama 3.3 70B Instruct58.2#520
5Gemini 2.5 Flash Lite56.7#413
6Qwen 2.5 7B Instruct56.3#846
7Llama 3.1 8B Instruct51.9#1018
8Gemini 2.0 Flash51.4#331
9MedGemma-4B50.5#731

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=mederrbench-english-error-detection · How It Works · Data refreshed daily, snapshot 2026-10-11.